Hawaiian Airlines flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri,Sun 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 MAX 9 (7M9) 4:55 Effective 2026-02-12 through 2026-03-01
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 (737) 4:55 Operates only on 2026-03-02
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 21:45 Seattle-Tacoma (SEA) 05:40 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 MAX 9 (7M9) 4:55 Effective 2026-03-05 through 2026-03-16
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Wed 21:55 Seattle-Tacoma (SEA) 05:55 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 (737) 5:00 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 21:55 Seattle-Tacoma (SEA) 05:49 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 (737) 4:54 Effective 2026-03-19 through 2026-04-21
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon,Tue,Thu-Sat 22:14 Seattle-Tacoma (SEA) 06:13 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Valid until 2026-01-03
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Mon,Sun 22:14 Seattle-Tacoma (SEA) 06:13 Washington Dulles (IAD)
Hawaiian Airlines HA 6718 Non-stop Boeing 737 (737) 4:59 Effective 2026-01-04 through 2026-01-05
Codeshare flight, operated by Alaska Airlines.(AS 367)
The flight arrives 1 day after departure.
Daily 08:20 Seattle-Tacoma (SEA) 16:37 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 5:17 Effective 2026-03-19 through 2026-04-21
Codeshare flight, operated by Alaska Airlines.(AS 737)
Wed,Fri 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-01-07 through 2026-01-30
Codeshare flight, operated by Alaska Airlines.(AS 737)
Thu,Sun 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 8 (7M8) 4:56 Effective 2026-01-08 through 2026-02-05
Codeshare flight, operated by Alaska Airlines.(AS 737)
Mon,Tue,Sat 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 4:56 Effective 2026-01-10 through 2026-01-31
Codeshare flight, operated by Alaska Airlines.(AS 737)
Mon,Wed,Fri,Sun 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-02-02 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 737)
Tue,Sat 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 4:56 Effective 2026-02-03 through 2026-02-07
Codeshare flight, operated by Alaska Airlines.(AS 737)
Tue 08:30 Seattle-Tacoma (SEA) 16:26 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 8 (7M8) 4:56 Operates only on 2026-02-10
Codeshare flight, operated by Alaska Airlines.(AS 737)
Mon,Thu,Fri,Sun 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 4:53 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by Alaska Airlines.(AS 737)
Tue,Wed,Sat 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by Alaska Airlines.(AS 737)
Mon,Tue,Fri-Sun 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 4:53 Effective 2026-03-08 through 2026-03-15
Codeshare flight, operated by Alaska Airlines.(AS 737)
Mon-Thu 09:27 Seattle-Tacoma (SEA) 17:20 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Effective 2026-03-11 through 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 737)
Tue,Fri-Sun 09:34 Seattle-Tacoma (SEA) 17:43 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 5:09 Valid until 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 406)
Mon,Wed,Thu 09:34 Seattle-Tacoma (SEA) 17:43 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Valid until 2026-01-05
Codeshare flight, operated by Alaska Airlines.(AS 406)
Wed 09:55 Seattle-Tacoma (SEA) 17:55 Washington Dulles (IAD)
Hawaiian Airlines HA 6724 Non-stop Boeing 737 (737) 5:00 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 737)




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Hawaiian Airlines flights from Seattle-Tacoma (SEA) to Washington Dulles (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Hawaiian Airlines HA6718
21:45
Seattle-Tacoma (SEA)

05:40(+1)
Washington Dulles (IAD)
Effective 2026-02-12 through 2026-03-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
21:45
Seattle-Tacoma (SEA)

05:40(+1)
Washington Dulles (IAD)
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:55, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
21:45
Seattle-Tacoma (SEA)

05:40(+1)
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:55, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
21:55
Seattle-Tacoma (SEA)

05:55(+1)
Washington Dulles (IAD)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 5:00, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
21:55
Seattle-Tacoma (SEA)

05:49(+1)
Washington Dulles (IAD)
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:54, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
22:14
Seattle-Tacoma (SEA)

06:13(+1)
Washington Dulles (IAD)
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6718
22:14
Seattle-Tacoma (SEA)

06:13(+1)
Washington Dulles (IAD)
Effective 2026-01-04 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 367)
Duration: 4:59, non-stop
Boeing 737 (737)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:20
Seattle-Tacoma (SEA)

16:37
Washington Dulles (IAD)
Effective 2026-03-19 through 2026-04-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 5:17, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Effective 2026-01-07 through 2026-01-30
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Effective 2026-01-08 through 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Effective 2026-01-10 through 2026-01-31
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Effective 2026-02-02 through 2026-02-11
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Effective 2026-02-03 through 2026-02-07
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
08:30
Seattle-Tacoma (SEA)

16:26
Washington Dulles (IAD)
Operates only on 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:56, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:27
Seattle-Tacoma (SEA)

17:20
Washington Dulles (IAD)
Effective 2026-02-12 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:53, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:27
Seattle-Tacoma (SEA)

17:20
Washington Dulles (IAD)
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:27
Seattle-Tacoma (SEA)

17:20
Washington Dulles (IAD)
Effective 2026-03-08 through 2026-03-15
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:53, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:27
Seattle-Tacoma (SEA)

17:20
Washington Dulles (IAD)
Effective 2026-03-11 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:34
Seattle-Tacoma (SEA)

17:43
Washington Dulles (IAD)
Valid until 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 5:09, non-stop
Boeing 737 (737)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:34
Seattle-Tacoma (SEA)

17:43
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 406)
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Hawaiian Airlines HA6724
09:55
Seattle-Tacoma (SEA)

17:55
Washington Dulles (IAD)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 737)
Duration: 5:00, non-stop
Boeing 737 (737)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 2299 miles, or 3699 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:53 and 5:17.
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All Hawaiian Airlines flights
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